Pronunciation: (up'sīd"),[key] —n. 1. the upper side or part.
2. that part of a chart or graph that shows a higher level, esp. in price.
3. an upward trend, as in stock prices.
4. get upsides with,Brit.to get even with.
—adj. going higher, esp. in price or worth: This stock has a nice upside potential.